The depletion of the earth's ozone layer causes animals above the altitude of 5000 feet to run amok, which is very unfortunate for a group of hikers who get dropped off up there by helicopter just before the quarantine is announced.
| Release Date | May 13, 1977 | |
|---|---|---|
| Status | Released | |
| Original Title | Day of the Animals | |
| Runtime | 1h 37min | |
| Budget | $1,200,000 | |
| Revenue | — | |
| Language | English | |
| Original Language | English | |
| Production Countries | United States of America | |
| Production Companies | Montoro Productions Ltd.Mid-America PicturesFilm Ventures International | |